Question about 2005 Chevrolet Equinox

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2005 Chevy Equinox sunroof leaks water into map lights when it rains. Water drips out of map lights. Do you know a fix for this?

Car in great condition. This problem started after going through a new car wash location. Strong vacuum and water began leaking into map lights.

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Posted on Dec 05, 2012

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: 07 Equinox Leaking water at the front corners of

check the adjustment of your sunroof, i work at a dealer and i just had a 2006 equinox in with the same exact problem, if you look at where the glass attaches to the sunroof rails you will see 2 torx screws on each side, with the sunroof closed, loosen the screws a little bit, don't remove them, push the glass up untill its level with the roof and the seal around the glass looks even all the way around where it contacts the roof sheet metal, then tighten down the screws while holding the glass in place. if it continues to leak, remove the sun visors and the clips for the sun visors, i believe they are either philips scres or torx, there will be 2 screws on the visor itself, and 1 for the clip. then remove the front pillar trim panel, you will see a small cover in the upper panel, use a pick or a sharp thin tool to pry the cover off and remove the 7mm screw in there, pull the door weatherstrip off and pull the trim panel off, after you do that gently pull the headliner down in the front corner and peek up at the sunroof frame, make sure the drain ose is still connected, the procedure is the same for both left and right sides. this should definitely clear up your problem!

Posted on Jun 28, 2009

SOURCE: my 2005 cobalt has water leaking at the heater

I have not had one person that is happy with the cobalt. Everyone I have known that has one has traded it in before all the other problems occured. . You will have to test areas with water and see if it causes a leak. Also the box has a vent hose that could become clogged. This will also cause the AC condensation to overflow. Run the AC for awhile and see if you get drainage.. If not its clogged

Posted on Aug 15, 2009

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SOURCE: Water leaks in the back passenger side of 2007 Equinox.

The spare tire well is pooling water, check there. GM knows about it, but won't say it's a factory defect. Sorry, I'm in the same boat you are. See here:

Posted on Oct 13, 2009

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SOURCE: 2006 Chevy Equinox Sunroof Leak

Same problem on 06 Chevy equinox lt, Dealer said sunroof needed to get adjusted, its raining right now in San Diego and now the car wont start. water is in the same places, under the dash and floor mats. there is a bulletin posted for these cars about water leaking through several places, copy and paste the numbers along with the sign onto Google and its the first post. its a water leak guide for GM dealerships on the Equinox. hope it helps. #08-08-57-001A

Posted on Dec 07, 2009

  • 447 Answers

SOURCE: Water on floorboard passenger side on 2005

The quick test is to run car with the a/c on in your driveway and check to see if it is dripping water on the ground under the vehicle at the passenger side as that's the side the drain tube is on. If it is then odds are it's not the problem but, just to be sure, at the same time you can pull the carpet back a bit on the passenger side and look to see if any water is dripping out of the heater a/c housing. The other part of the test is to have someone sit inside the vehicle [engine not running] and pour water all around the edges of the windshield on the passenger side first then slowly work up to the sunroof. At some point you should find your leak. I see a lot of leaky windshields that's why I would advise you to start there first. Make sure whoever is in the vehicle is watching down by the front of the floor for any water trickling in as that's usually where you'll find it. If just the compressor and related underhood parts were replaced it shouldn't affect the drain on the evaporator core. Hope this helps you solve the mystery!

Posted on Jul 02, 2010

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Map sensor: Manifold Absolute Pressure sensor- it's a measure of manifold vacuum that is sent to engine computer; so it can figure out engine running conditions and how much gas to add for the correct air-fuel mixture.
You probably need a new sensor. I don't know what newmatic means? But, pneumatic is of or pertaining to air, so hey, you better diagnose this before buying a new map sensor- just check if your vacuum hoses are not deteriorated from age, check if you still have a good vacuum signal from the intake manifold. If you were to hook up a vacuum gauge to a intake manifold tap-like the one going to your map sensor-with the engine at normal idle, the gauge should show a nice steady needle somewhere between 16 and 22 inches on the dial face. It's a measure of inches of mercury if you understand science-most people don't so the dial face is very large and you just understand it as inches of vacuum-how much lower the air pressure is inside the intake, versus outside air pressure. All engines create manifold vacuum, and the best, newer engines have a very steady vacuum at idle of 21, or 22 inches on the gauge. That's what you look for, 16 and steady is okay, a good map sensor would be sending a good signal to the computer by a varied voltage signal: manifold pressure is known good, so to speak.

Now manifold pressure varies under different running conditions. But by looking at a vacuum gauge, you are confirming that your manifold vacuum is good, you have no vacuum leaks, no air or vacuum leaks anywhere that will upset the apple cart, and cause the computer to question the info from the map sensor.
If your vacuum reading is way below 16 inches, like 10 inches, or 12, or 14 and holding steady, well, don't you see, you have a major vacuum or air leak somewhere. Vacuum hoses, pcv hose, intake manifold gasket...somewhere, your engine is sucking in extra air, and it's causing havoc with the engine management controls. It's where a lot of poor running conditions occur. So, try a used or new map sensor, or buy a vacuum gauge for $20. It saves a lot of time looking for vacuum leaks, and it's also very good at detecting valve problems and other internal engine conditions. You just have to learn how to use it, and understand what it is telling you.
I think Dodge put the map sensor maybe on the firewall on the passenger side, not sure, it's been a lot of years ago.

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